Vaillant Boiler Installation

Clever Energy Boilers are experienced, professional and registered installers of Vaillant boilers. From the popular ecoTEC range to the more affordable ecoFIT pure, we supply and fit new Vaillant combi, system and regular boilers, with fixed pricing and Gas Safe engineers you can rely on.

Experienced, professional and registered installers
Full Vaillant range supplied and fitted
Long, market-leading warranties available
Get your fixed price
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The Clever Way To Get A New Vaillant Boiler

Get your Vaillant boiler quote

Why Trust Clever Energy Boilers?

The Vaillant Boiler Range

Vaillant is a German heating brand with more than 150 years of history, and many of the boilers it sells in the UK are built at its factory in Belper, Derbyshire. Its boilers are known for quiet running, solid build quality and smart controls. We install the full range as part of our boiler installation service and will help you find the model that suits your home. Comparing brands? Read our Worcester Bosch vs Vaillant guide.

Vaillant ecoTEC pro

A compact combi for small to medium homes with one bathroom, available in 24kW, 28kW and 30kW outputs. It’s one of the Vaillant boilers we fit most often. Read our ecoTEC pro 24 review.

Vaillant ecoTEC plus

Vaillant’s flagship range, available as a combi, system or regular boiler. A strong all-rounder for larger homes that works well with Vaillant’s smart controls. See our ecoTEC plus 835 review.

Vaillant ecoTEC exclusive

The top of the Vaillant range, with a wide modulation range that lets it run gently and efficiently when your home only needs a little heat. A great choice if you want the best Vaillant has to offer. Read our ecoTEC exclusive 832 review.

Vaillant ecoFIT pure

A simpler, more affordable Vaillant range, available as a combi, system or regular boiler. You still get Vaillant build quality, just at a lower price, which makes it a popular pick for straightforward replacements.

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Experienced, Professional and Registered Vaillant Boiler Installers

From our base in Bingley, Clever Energy Boilers fits Vaillant boilers across Yorkshire, the North West and the Midlands, from Bradford and Leeds to Manchester and Derby, just down the road from Vaillant’s Belper factory. We’ve completed more than 25,000 installations over the last 15 years.

Our Gas Safe engineers size every Vaillant boiler to suit your home, fit it with neat pipework and commission it properly before handing over. We register your new boiler straight away, and long, market-leading warranty options are available through Clever Energy.

If your current boiler is more than 8 years old, it’s likely costing you more to run than it should. A new Vaillant is a reliable way to bring those bills down. Find out more about boiler replacement with us.

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Local Installers Based in Your Area

Our teams near you understand the local area and are trained to the highest industry standards, ensuring quality, compliant installations every time.

Whilst our expert installation teams are local to you, we operate across the North West, Yorkshire & Humber and the Midlands, giving you fast and flexible installations 24/7.

If you’re outside these local areas, we may still be able to help – speak to our team and we’ll check availability.

Which Vaillant Boiler Type Do I Need?

Vaillant Combi Boiler

A Vaillant combi heats water straight from the mains as you use it, so there’s no cylinder or loft tank to find space for. The ecoTEC pro and ecoTEC plus combis suit most flats, terraces and semis with one bathroom.

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Vaillant System Boiler

A Vaillant system boiler works with a hot water cylinder, which makes it the better choice for homes with two or more bathrooms. Paired with an unvented cylinder, the ecoTEC plus system boiler gives strong pressure at every tap.

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Vaillant Regular Boiler

A Vaillant regular boiler, sometimes called a heat-only or conventional boiler, runs with a cylinder and tanks in the loft. It’s often the easiest swap in older homes that already have this setup and don’t want to change the pipework.

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Vaillant Boiler Replacement

Whether you’re swapping an ageing Vaillant for a new one or switching to Vaillant from another brand, replacement is usually the smartest move once a boiler passes 8 years old. Older boilers lose efficiency year by year, use more gas to heat the same home and tend to need more call-outs as parts wear.

Like-for-like Vaillant swaps are often the most straightforward jobs we do, because the new boiler can usually go in the same spot and connect to the existing pipework. Many are finished in a single day, and the price we quote is fixed before any work starts.

Get a Vaillant replacement quote

Upgrading From An Older Vaillant

Plenty of homes still run early ecoTEC models or older Vaillants such as the Turbomax. Moving to a current ecoTEC or ecoFIT pure gives you better efficiency, quieter running and modern controls you can manage from your phone.

If your needs have changed, we can also switch boiler type at the same time, for example from a regular boiler with loft tanks to a space-saving combi. Every new Vaillant can be protected with a long, market-leading warranty through Clever Energy. Read more about our wider boiler replacement service.

Vaillant Boiler Servicing

A yearly service keeps your Vaillant boiler running safely and efficiently, and it’s needed to keep your warranty cover in place. Our Clever Care servicing plans bundle your annual service and heating cover into one simple monthly plan, so you never have to remember to book it.

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Warranty Cover On Your New Vaillant Boiler

When we fit your Vaillant boiler, you can choose from long, market-leading warranty options through Clever Energy. To keep that cover in place, the boiler needs servicing every 12 months by a Gas Safe registered engineer.

We register your boiler as soon as it’s installed, so there’s nothing for you to chase, and you’ll have written confirmation of your cover before our engineer leaves.

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Ways to pay for your installation

We offer flexible ways to pay for your installation, including finance options and pay-in-full methods.

Flexible Monthly Repayments

Representative APR 10.9%

Spread the cost of your purchase by using the flexibility of a longer term. Providing the monthly payment is made every month, overpayments can be made at any time to reduce the cost of interest and to reduce the term. You will benefit from the extra protection provided under the Consumer Credit Act 1974.

Cash price of £2,500. No deposit. Total amount of credit £2,500. Interest rate 10.9% per annum (variable). Representative APR 10.9%. Duration of the agreement 120 months. 120 monthly payments of £33.58. Total amount repayable £4,029.60.

Buy Now Pay Later

Representative APR 19.9%

If settled in full within the 7 month deferral period then there is no interest charges however a £29 administration fee will apply.

If not settled in full within the deferral period then interest will have accrued from the start of the contract on any amount still outstanding at the end of the deferral period and will continue to be charged once you start your monthly repayments.

Representative Example: Cash price £2,500.00 No deposit. Amount of credit £2,500. Defer by 6 months. If not settled in deferred period, then 80 monthly payments of £49.09 Interest rate (fixed p/a) 19.9%. APR representative 19.9%. Duration of Agreement 89 months. Total Amount Payable £5,890.80. Early exit fee £29.

Cash or Card Payment

Bank Transfer, Card or Cheque

There are several ways in which you can make payment, the available methods are listed below:

  • Online bank transfer payable to The Green Deal Factory Ltd. using the bank details noted on your invoice (preferred).
  • Card payment made over the phone to our offices.
  • Cheque made payable to The Green Deal Factory Ltd.

Please note that we do not accept payment via American Express.

The Green Deal Factory Ltd. trading as Clever Energy Boilers, is a credit broker, not the lender and is authorised and regulated by the Financial Conduct Authority. Credit is provided by a panel of lenders with whom we have a commercial relationship. We do not receive any commission from our lenders. Credit is subject to status and affordability.

Why Choose Clever Energy Boilers To Install Your Vaillant Boiler?

Experienced, Professional and Registered Installers

Our Gas Safe engineers have fitted Vaillant boilers in every kind of home, from stone terraces to large detached houses. Each installation follows Vaillant’s guidance and is fully commissioned before we leave.

The Right Vaillant Model For Your Home

We look at your home, how many bathrooms you have and how you use hot water before recommending anything. That could be an ecoTEC pro combi for a smaller home or an ecoTEC plus system boiler for a bigger one.

Long, Market-Leading Warranties

Clever Energy offers long, market-leading warranty options on the Vaillant boilers we fit, provided the boiler is serviced once a year.

Clear, Fixed Pricing

Your quote covers the boiler, the fitting and everything needed to finish the job. It’s a fixed price, so it won’t change once work starts.

Fast, Efficient Installation

Most like-for-like Vaillant swaps are done in a single day, so you’re not left without heating or hot water for long.

Flexible Finance Options

Spread the cost of your new Vaillant boiler with our <a href=”https://www.cleverenergyboilers.co.uk/boiler-tips/boilers-on-finance-pay-monthly-options/”>boiler finance</a> options, with monthly payments to suit your budget.

Tidy, Professional Workmanship

We protect your floors, keep pipework neat and clear up after ourselves, so the boiler cupboard looks better than when we arrived.

Smart Controls Set Up For You

If you choose Vaillant smart controls, we’ll fit and set them up, then show you how to manage your heating from your phone. <a href=”https://www.cleverenergyboilers.co.uk/clever-care-servicing-plans/”>Clever Care plans</a> keep your boiler looked after afterwards.

What Our Customers Are Saying

Trustpilot

9.5/10 based on 878 reviews on

As of 30th of April 2026, visit our Checkatrade profile for the latest rating.

4.4
Based on 431 reviews

on

Frequently Asked Questions

Complete our simple online form, and get a fixed price in a few steps. You’ll then be presented with a list of packages, and you can pick the boiler you want to be installed.

If you would prefer to speak to someone, you can give us a call on 0330 055 2210. Our phone lines are open from 8AM-8PM on weekdays, and 10AM-4PM on weekends

Many straightforward boiler swaps can be completed in a day, although more complex jobs can take longer depending on the system and any additional upgrades required.

For selected products, we offer flexible payment options so you can spread the cost comfortably.

When placing your order, we will guide you through the finance options available and help you choose the right plan for your needs.

Explore our Payment Options here.

Yes. We install all main domestic boiler types and recommend the most suitable option for your home.

Yes. Choose Clever Energy and you can benefit from long-lasting, market-leading warranties.

Yes. Radiator upgrades are quoted separately and can be included as part of your boiler installation.

Yes — we’re Gas Safe registered (business number 554138) and all of our engineers hold individual Gas Safe registration.

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